document.write( "Question 184030This question is from textbook
\n" ); document.write( ": solve by graphing.\r
\n" ); document.write( "\n" ); document.write( "x+2y=10 and 2x+2y=12
\n" ); document.write( "

Algebra.Com's Answer #138059 by jojo14344(1513)\"\" \"About 
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\n" ); document.write( "\"x%2B2y=10\"-------------------------> EQn 1
\n" ); document.write( "\"2X%2B2Y=12\"------------------------> EQN 2
\n" ); document.write( "Working both eqn's via Slope-Intercept Form, \"y=mx%2Bb\"
\n" ); document.write( "In EQN 1,
\n" ); document.write( "\"2y=-x%2B10\"--->\"cross%282%29y%2Fcross%282%29=%28-x%2B10%29%2F2\"
\n" ); document.write( "\"y=%28-1%2F2%29x%2B%2810%2F2%29=%28-1%2F2%29x%2B5\", EQN 1.1
\n" ); document.write( "Let \"f%28y%29=0\"
\n" ); document.write( "\"0=%28-1%2F2%29x%2B5\"
\n" ); document.write( "\"%281%2F2%29x=5\"---->\"highlight%28x=10%29\"
\n" ); document.write( "Let \"f%28x%29=0\"
\n" ); document.write( "\"y=%28-1%2F2%29%280%29%2B5\"
\n" ); document.write( "\"highlight%28y=5%29\"
\n" ); document.write( "In EQN 2:
\n" ); document.write( "\"2y=-2x%2B12\"----->\"cross%282%29y%2Fcross%282%29=%28-2x%2B12%29%2F2\"
\n" ); document.write( "\"y=%28-2%2F2%29x%2B%2812%2F2%29\"
\n" ); document.write( "\"y=-x%2B6\", EQN 2.2
\n" ); document.write( "let \"f%28y%29=0\"
\n" ); document.write( "\"2%2A0=-2x%2B12\"
\n" ); document.write( "\"2x=12\"---->\"cross%282%29x%2Fcross%282%29=cross%2812%296%2Fcross%282%29\"
\n" ); document.write( "\"highlight%28x=6%29\"
\n" ); document.write( "let \"f%28x%29=0\"
\n" ); document.write( "\"2y=-2%2A0%2B12\"
\n" ); document.write( "\"cross%282%29y%2Fcross%282%29=cross%2812%296%2Fcross%282%29\"
\n" ); document.write( "\"highlight%28y=6%29\"
\n" ); document.write( "Mark x & y on EQN 1.1 and EQN 2.2 on the graph:
\n" ); document.write( "----->---> RED, EQN.1; GREEN, EQN 2\r
\n" ); document.write( "\n" ); document.write( "Thank you,
\n" ); document.write( "Jojo
\n" ); document.write( "
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